re·open 
/riˈoʊpən/ verb
re·opens; re·opened; re·open·ing /riˈoʊpən/ verb 1 : to open again after being closed [no obj] ▪ The restaurant will reopen in April. ▪ I'm sorry, but the store is closed. We reopen at nine on Monday. ▪ The cut on his knee reopened when he tried to run. [+ obj] ▪ The company announced plans to reopen its Detroit factory. ▪ a procedure to reopen a clogged artery — sometimes used figuratively ▪ Telling that story will only reopen old wounds. [=cause people to think of things from the past that make them sad, angry, etc.] 2 a : to start (something) again after a period without activity [+ obj] ▪ They reopened [=resumed] the negotiations. ▪ The district attorney reopened the murder case because new evidence was found. [no obj] ▪ The negotiations have reopened.
b [+ obj] US : to discuss and make changes to (something that had been considered finished) again
▪ He wants the team to reopen his contract.
b [+ obj] US : to discuss and make changes to (something that had been considered finished) again
▪ He wants the team to reopen his contract.
— reopening noun
[singular] ▪ The mayor was present for the library's official reopening. ▪ a reopening of negotiations [noncount] ▪ The factory is set for reopening.
[singular] ▪ The mayor was present for the library's official reopening. ▪ a reopening of negotiations [noncount] ▪ The factory is set for reopening.
